Institute Newton C. Braga

Circuit Bench

Recording Head Amplifier (CB26167E)
This circuit was found in the 1992 Radio Electronics Handbook. It is used to test VCR recording heads....
Infrared receiver (CB7822E)
In the figure we have an infrared receiver circuit using an operational 741. The circuit is an...
MOSFET RF Amplifier (CB9174E)
This circuit for dual-gate MOSFET was found in a 90’s Popular Electronics. The coils are according...